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57 lines
2.4 KiB
C
57 lines
2.4 KiB
C
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/***
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This file is part of PulseAudio.
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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***/
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#ifndef fooruntimetestutilhfoo
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#define fooruntimetestutilhfoo
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <math.h>
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#include <pulsecore/macro.h>
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#include <pulse/rtclock.h>
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#define PA_RUNTIME_TEST_RUN_START(l, t1, t2) \
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{ \
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int _j, _k; \
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int _times = (t1), _times2 = (t2); \
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pa_usec_t _start, _stop; \
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pa_usec_t _min = INT_MAX, _max = 0; \
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double _s1 = 0, _s2 = 0; \
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const char *_label = (l); \
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\
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for (_k = 0; _k < _times2; _k++) { \
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_start = pa_rtclock_now(); \
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for (_j = 0; _j < _times; _j++)
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#define PA_RUNTIME_TEST_RUN_STOP \
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_stop = pa_rtclock_now(); \
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\
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if (_min > (_stop - _start)) _min = _stop - _start; \
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if (_max < (_stop - _start)) _max = _stop - _start; \
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_s1 += _stop - _start; \
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_s2 += (_stop - _start) * (_stop - _start); \
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} \
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pa_log_debug("%s: %llu usec (avg: %g, min = %llu, max = %llu, stddev = %g).", _label, \
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(long long unsigned int)_s1, \
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((double)_s1 / _times2), \
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(long long unsigned int)_min, \
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(long long unsigned int)_max, \
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sqrt(_times2 * _s2 - _s1 * _s1) / _times2); \
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}
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#endif
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